In this paper, multi-layer feedforward neural networks are used to solve the nonlinear partial differential equation, and approach the centre manifold of the nonlinear system.
本文用多层前向神经网络求解该非线性偏微分方程，从而逼近非线性系统的中心流形。
2
In accodance with kinetic energy theorem, this paper presents an angular mo- mentum theorem of velocity instantaneous centre axis. This theorem is a simple and convenient scalar equation.